Avoids error on selection box

zorkow · zorkow · commit 876c8a63413f · 2024-03-29T00:26:45.000+01:00
diff --git a/ts/ui/menu/MJContextMenu.ts b/ts/ui/menu/MJContextMenu.ts
@@ -91,7 +91,7 @@ export class MJContextMenu extends ContextMenu {
    */
   public unpost() {
     super.unpost();
-    this.mathItem.typesetRoot.blur();
+    this.mathItem?.typesetRoot?.blur();
     this.mathItem = null;
   }
 

Original file line number	Diff line number	Diff line change
`@@ -91,7 +91,7 @@ export class MJContextMenu extends ContextMenu {`
`91`	`91`	`*/`
`92`	`92`	`public unpost() {`
`93`	`93`	`super.unpost();`
`94`		`- this.mathItem.typesetRoot.blur();`
	`94`	`+ this.mathItem?.typesetRoot?.blur();`
`95`	`95`	`this.mathItem = null;`
`96`	`96`	`}`
`97`	`97`